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Finding the Fourth Proportional to 7,355.92, 10,955 and 7,313.80

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Solution

The fourth proportional to 7,355.92, 10,955 and 7,313.80 is: 10,892.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.92 : 10,955 = 7,313.80 : x
  2. Step 2: Convert to fraction form
    7,355.92/10,955 = 7,313.80/x
  3. Step 3: Cross multiply
    7,355.92x = 10,955 × 7,313.80
  4. Step 4: Simplify right side
    7,355.92x = 80,122,679
  5. Step 5: Solve for x
    x = 80,122,679/7,355.92
  6. Step 6: Final answer
    x = 10,892.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.